Ext.onReady(function(){
    var button = Ext.get('region_top_aboutUs');
    button.on('click', function(){
            var win = new Ext.Window({
            	title : '关于',
            	resizable:false,
            	border:false,
            	draggable:false,
                layout      : 'fit',
                width       : 400,
                height      : 300,
                closeAction :'hide',
                html:'<span class="about"><BR><p>版本:***系统0.9.0(2009-06-01)</p><BR><p>***版权所有!</p><p>Copyright 2008-2009 YIHAI KERRY.All right reserved!<p><BR></span>',
                plain       : true
            });
			  win.show();
    });
})